diff --git a/library.js b/library.js
index 5290e8b..a5b9d0c 100644
--- a/library.js
+++ b/library.js
@@ -1,79 +1,91 @@
-(function(module) {
-	'use strict';
-
-	var User = require.main.require('./src/user');
-	var Topics = require.main.require('./src/topics');
-	var Categories = require.main.require('./src/categories');
-	var translator = require.main.require('./src/translator');
-	var meta = require.main.require('./src/meta');
-	var nconf = require.main.require('nconf');
-	var async = require.main.require('async');
-
-	var Discord = require('discord.js');
-
-	var hook = null;
-	var forumURL = nconf.get('url');
-
-	var plugin = {
-			config: {
-				webhookURL: '',
-				maxLength: '',
-				postCategories: '',
-				topicsOnly: '',
-				messageContent: ''
-			},
-			regex: /https:\/\/discord(?:app)?\.com\/api\/webhooks\/([0-9]+?)\/(.+?)$/
-		};
-
-	plugin.init = function(params, callback) {
-		function render(req, res, next) {
-			res.render('admin/plugins/discord-notification', {});
+'use strict';
+
+const user = require.main.require('./src/user');
+const topics = require.main.require('./src/topics');
+const categories = require.main.require('./src/categories');
+const translator = require.main.require('./src/translator');
+const meta = require.main.require('./src/meta');
+const nconf = require.main.require('nconf');
+const async = require.main.require('async');
+
+const Discord = require('discord.js');
+
+let hook = null;
+var forumURL = nconf.get('url');
+
+const renderAdmin = async function(req, res, next) {
+	const allCategories = await categories.buildForSelectAll(['value', 'text']);
+	res.render(
+		'admin/plugins/discord-notification',
+		{
+			title: '[[discord-notification:title]]',
+			allCategories: allCategories,
 		}
+	);
+}
 
-		params.router.get('/admin/plugins/discord-notification', params.middleware.admin.buildHeader, render);
-		params.router.get('/api/admin/plugins/discord-notification', render);
+const discordNotification = {
+	config: {},
 
-		meta.settings.get('discord-notification', function(err, settings) {
-			for (var prop in plugin.config) {
-				if (settings.hasOwnProperty(prop)) {
-					plugin.config[prop] = settings[prop];
-				}
-			}
+	onLoad: async function(params) {
+		const routeHelpers = require.main.require('./src/routes/helpers');
+		routeHelpers.setupAdminPageRoute(params.router, '/admin/plugins/discord-notification', renderAdmin);
+		discordNotification.init();
+	},
 
-			// Parse Webhook URL (1: ID, 2: Token)
-			var match = plugin.config['webhookURL'].match(plugin.regex);
+	init: function () {
+		// Load saved config
+		const _self = this;
+		const defaults = {
+			webhookURL: '',
+			maxLength: 1024,
+			postCategories: '',
+			topicsOnly: 'off',
+			messageContent: '',
+		};
+		const notCheckboxes = ['webhookURL', 'maxLength', 'postCategories', 'messageContent'];
 
-			if (match) {
-				hook = new Discord.WebhookClient(match[1], match[2]);
+		meta.settings.get('discord-notification', (err, options) => {
+			if (err) {
+				winston.warn(`[plugin//discord-notification] Unable to retrieve settings, assuming defaults: ${err.message}`);
 			}
-		});
 
-		callback();
+			Object.keys(defaults).forEach((field) => {
+				// If not set in config (nil)
+				if (!options.hasOwnProperty(field)) {
+					_self.config[field] = defaults[field];
+				} else if (!notCheckboxes.includes(field)) {
+					_self.config[field] = options[field] === 'on';
+				} else {
+					_self.config[field] = options[field];
+				}
+			});
+		});
 	},
 
-	plugin.postSave = function(post) {
+	postSave: function(post) {
 		post = post.post;
-		var topicsOnly = plugin.config['topicsOnly'] || 'off';
+		var topicsOnly = discordNotification.config['topicsOnly'] || 'off';
 
 		if (topicsOnly === 'off' || (topicsOnly === 'on' && post.isMain)) {
 			var content = post.content;
 
 			async.parallel({
 				user: function(callback) {
-					User.getUserFields(post.uid, ['username', 'picture'], callback);
+					user.getUserFields(post.uid, ['username', 'picture'], callback);
 				},
 				topic: function(callback) {
-					Topics.getTopicFields(post.tid, ['title', 'slug'], callback);
+					topics.getTopicFields(post.tid, ['title', 'slug'], callback);
 				},
 				category: function(callback) {
-					Categories.getCategoryFields(post.cid, ['name', 'bgColor'], callback);
+					categories.getCategoryFields(post.cid, ['name', 'bgColor'], callback);
 				}
 			}, function(err, data) {
-				var categories = JSON.parse(plugin.config['postCategories']);
+				var categories = JSON.parse(discordNotification.config['postCategories']);
 
 				if (!categories || categories.indexOf(String(post.cid)) >= 0) {
 					// Trim long posts:
-					var maxQuoteLength = plugin.config['maxLength'] || 1024;
+					var maxQuoteLength = discordNotification.config['maxLength'] || 1024;
 					if (content.length > maxQuoteLength) { content = content.substring(0, maxQuoteLength) + '...'; }
 
 					// Ensure absolute thumbnail URL if an avatar exists:
@@ -86,27 +98,27 @@
 					}
 
 					// Add custom message:
-					var messageContent = plugin.config['messageContent'] || '';
-
+					const messageContent = discordNotification.config['messageContent'] || '';
+					
 					// Make the rich embed:
-					var embed = new Discord.MessageEmbed()
+					const embed = new Discord.EmbedBuilder()
 						.setColor(data.category.bgColor)
 						.setURL(forumURL + '/topic/' + data.topic.slug)
 						.setTitle(data.category.name + ': ' + data.topic.title)
 						.setDescription(content)
-						.setFooter(data.user.username, thumbnail)
+						.setFooter({ text: data.user.username, iconURL: thumbnail })
 						.setTimestamp();
-
 					// Send notification:
 					if (hook) {
-						hook.send(messageContent, {embeds: [embed]}).catch(console.error);
+						hook.send({content: messageContent, embeds: [embed]})
+							.catch(console.error);
 					}
 				}
 			});
 		}
 	},
 
-	plugin.addAdminMenu = function(header, callback) {
+	addAdminMenu: function(header, callback) {
 		translator.translate('[[discord-notification:title]]', function(title) {
 			header.plugins.push({
 				route : '/plugins/discord-notification',
@@ -116,8 +128,33 @@
 
 			callback(null, header);
 		});
-	};
+	},
+
+	getConfig: async (config) => {
+		let { webhookURL, maxLength, postCategories, topicsOnly, messageContent } = await meta.settings.get('discord-notification');
+
+		try {
+			// Parse Webhook URL (1: ID, 2: Token)
+			const discordRegex = /https:\/\/discord(?:app)?\.com\/api\/webhooks\/([0-9]+?)\/(.+?)$/;
+			const match = webhookURL.match(discordRegex);
+
+			if (match) {
+				hook = new Discord.WebhookClient({ id: match[1], token: match[2] });
+			}
+		} catch (e) {
+			// Do nothing
+		}
 
-	module.exports = plugin;
+		config.discordNotification = {
+			webhookURL,
+			maxLength,
+			postCategories,
+			topicsOnly,
+			messageContent
+		};
+
+		return config;
+	},
+};
 
-}(module));
+module.exports = discordNotification;
\ No newline at end of file
diff --git a/package.json b/package.json
index 17620b8..954f02c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "nodebb-plugin-discord-notification",
   "title": "Discord Notifications for NodeBB",
-  "version": "1.5.0",
+  "version": "1.6.0",
   "description": "Send notifications of new posts and topics via Discord webhook.",
   "keywords": [
     "discord",
@@ -24,9 +24,9 @@
   "license": "MIT",
   "main": "library.js",
   "dependencies": {
-    "discord.js": "^12.4.1"
+    "discord.js": "^14.25.1"
   },
   "nbbpm": {
-    "compatibility": "^2.0.0"
+    "compatibility": "^4.0.0"
   }
 }
diff --git a/plugin.json b/plugin.json
index 25fea1e..baa62d6 100644
--- a/plugin.json
+++ b/plugin.json
@@ -5,8 +5,9 @@
 	"url": "https://github.com/amargon/nodebb-plugin-discord-notification",
 	"library": "./library.js",
 	"hooks": [
-		{ "hook": "static:app.load", "method": "init" },
+		{ "hook": "static:app.load", "method": "onLoad" },
 		{ "hook": "filter:admin.header.build", "method": "addAdminMenu" },
+		{ "hook": "filter:config.get", "method": "getConfig" },
 		{ "hook": "action:post.save", "method": "postSave"}
 	],
 	"modules": {
@@ -14,5 +15,6 @@
 	},
 	"templates": "./public/templates",
 	"languages": "./languages",
+  	"defaultLang": "en_GB",
 	"settingsRoute": "/admin/plugins/discord-notification"
 }
diff --git a/public/src/admin.js b/public/src/admin.js
index f8d9d9a..5dac784 100644
--- a/public/src/admin.js
+++ b/public/src/admin.js
@@ -1,28 +1,39 @@
-const settings = require('settings');
-const hooks = require('hooks');
+'use strict';
 
-hooks.onPage('action:ajaxify.end', () => {
-	// note: this is probably deprecated in core soon...
-	socket.emit('categories.get', function(err, data) {
-		categories = data;
-		for (var i = 0; i < categories.length; ++i) {
-			$('#postCategories').append('<option value=' + categories[i].cid + '>' + categories[i].name + '</option>');
-		}
-	});
-})
+define('admin/plugins/discord-notification', ['settings'], function (Settings) {
+	let discordNotification = {};
 
-settings.load('discord-notification', $('.discord-notification-settings'));
+	discordNotification.init = function () {
+		Settings.load('discord-notification', $('.discord-notification-settings'), function (err, settings) {
+			if (err) {
+				settings = {};
+			}
+
+			var defaults = {
+				webhookURL: '',
+				maxLength: 1024,
+				postCategories: '',
+				topicsOnly: false,
+				messageContent: '',
+			};
 
-$('#save').on('click', function() {
-	settings.save('discord-notification', $('.discord-notification-settings'), function() {
-		app.alert({
-			type: 'success',
-			alert_id: 'discord-notification-saved',
-			title: 'Settings Saved',
-			message: 'Please reload your NodeBB to apply these settings',
-			clickfn: function() {
-				socket.emit('admin.reload');
+			// Set defaults
+			for (const setting of Object.keys(defaults)) {
+				if (!settings.hasOwnProperty(setting)) {
+					if (typeof defaults[setting] === 'boolean') {
+						$('#' + setting).prop('checked', defaults[setting]);
+					} else {
+						$('#' + setting).val(defaults[setting]);
+					}
+				}
 			}
 		});
-	});
+
+		$('#save').on('click', function () {
+			console.log('Saving settings');
+			Settings.save('discord-notification', $('.discord-notification-settings'));
+		});
+	};
+
+	return discordNotification;
 });
diff --git a/public/templates/admin/plugins/discord-notification.tpl b/public/templates/admin/plugins/discord-notification.tpl
index 6dab9c0..6589d79 100644
--- a/public/templates/admin/plugins/discord-notification.tpl
+++ b/public/templates/admin/plugins/discord-notification.tpl
@@ -1,42 +1,45 @@
-<form role="form" class="discord-notification-settings">
-	<div class="row">
-		<div class="col-sm-2 col-xs-12 settings-header">[[discord-notification:webhook]]</div>
-		<div class="col-sm-10 col-xs-12">
-			<div class="form-group">
-				<label for="webhookURL">[[discord-notification:webhook-url]]</label>
-				<input type="text" class="form-control" id="webhookURL" name="webhookURL" />
-				<p class="help-block">[[discord-notification:webhook-help]]</p>
+<div class="acp-page-container">
+	<!-- IMPORT admin/partials/settings/header.tpl -->
+	<form class="form discord-notification-settings">
+		<div class="row">
+			<div class="col-sm-2 col-12 settings-header">[[discord-notification:webhook]]</div>
+			<div class="col-sm-10 col-12">
+				<div class="form-group">
+					<label for="webhookURL">[[discord-notification:webhook-url]]</label>
+					<input type="text" class="form-control" id="webhookURL" name="webhookURL" />
+					<p class="help-block">[[discord-notification:webhook-help]]</p>
+				</div>
 			</div>
 		</div>
-	</div>
 
-	<div class="row">
-		<div class="col-sm-2 col-xs-12 settings-header">[[discord-notification:notification]]</div>
-		<div class="col-sm-10 col-xs-12">
-			<div class="form-group">
-				<label for="maxLength">[[discord-notification:notification-max-length]]</label>
-				<input type="number" class="form-control" id="maxLength" name="maxLength" min="1" max="1024" value="100" />
-				<p class="help-block">[[discord-notification:notification-max-length-help]]</p>
-			</div>
-			<div class="form-group">
-				<label for="postCategories">[[discord-notification:post-categories]]</label>
-				<select class="form-control" id="postCategories" name="postCategories" size="10" multiple></select>
-			</div>
-			<div class="checkbox">
-				<label for="topicsOnly" class="mdl-switch mdl-js-switch mdl-js-ripple-effect">
-					<input type="checkbox" class="mdl-switch__input" id="topicsOnly" name="topicsOnly" />
-					<span class="mdl-switch__label">[[discord-notification:topics-only]]</span>
-				</label>
-			</div>
-			<div class="form-group">
-				<label for="messageContent">[[discord-notification:message]] <small>([[discord-notification:message-sidenote]])</small></label>
-				<textarea class="form-control" id="messageContent" name="messageContent" maxlength="512"></textarea>
-				<p class="help-block">[[discord-notification:message-help]]</p>
+		<div class="row">
+			<div class="col-sm-2 col-12 settings-header">[[discord-notification:notification]]</div>
+			<div class="col-sm-10 col-12">
+				<div class="form-group">
+					<label for="maxLength">[[discord-notification:notification-max-length]]</label>
+					<input type="number" class="form-control" id="maxLength" name="maxLength" min="1" max="1024" value="100" />
+					<p class="help-block">[[discord-notification:notification-max-length-help]]</p>
+				</div>
+				<div class="mb-3">
+					<div class="post-search-item">
+						<label class="form-label">[[discord-notification:post-categories]]</label>
+						<select multiple class="form-select" id="postCategories" name="postCategories" size="20">
+							<!-- BEGIN allCategories -->
+							<option value="{allCategories.value}" <!-- IF allCategories.selected -->selected<!-- ENDIF allCategories.selected -->>{allCategories.text}</option>
+							<!-- END allCategories -->
+						</select>
+					</div>
+				</div>
+				<div class="form-check form-switch mb-3">
+					<input class="form-check-input" type="checkbox" id="topicsOnly" name="topicsOnly" />
+					<label class="form-check-label" for="topicsOnly">[[discord-notification:topics-only]]</label>
+				</div>
+				<div class="form-group mb-3">
+					<label for="messageContent">[[discord-notification:message]] <small>([[discord-notification:message-sidenote]])</small></label>
+					<textarea class="form-control" id="messageContent" name="messageContent" maxlength="512"></textarea>
+					<p class="help-block">[[discord-notification:message-help]]</p>
+				</div>
 			</div>
 		</div>
-	</div>
-</form>
-
-<button id="save" class="floating-button mdl-button mdl-js-button mdl-button--fab mdl-js-ripple-effect mdl-button--colored">
-	<i class="material-icons">save</i>
-</button>
+	</form>
+</div>
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
deleted file mode 100644
index c5a1920..0000000
--- a/yarn.lock
+++ /dev/null
@@ -1,117 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-"@discordjs/collection@^0.1.6":
-  version "0.1.6"
-  resolved "https://registry.yarnpkg.com/@discordjs/collection/-/collection-0.1.6.tgz#9e9a7637f4e4e0688fd8b2b5c63133c91607682c"
-  integrity sha512-utRNxnd9kSS2qhyivo9lMlt5qgAUasH2gb7BEOn6p0efFh24gjGomHzWKMAPn2hEReOPQZCJaRKoURwRotKucQ==
-
-"@discordjs/form-data@^3.0.1":
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/@discordjs/form-data/-/form-data-3.0.1.tgz#5c9e6be992e2e57d0dfa0e39979a850225fb4697"
-  integrity sha512-ZfFsbgEXW71Rw/6EtBdrP5VxBJy4dthyC0tpQKGKmYFImlmmrykO14Za+BiIVduwjte0jXEBlhSKf0MWbFp9Eg==
-  dependencies:
-    asynckit "^0.4.0"
-    combined-stream "^1.0.8"
-    mime-types "^2.1.12"
-
-abort-controller@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/abort-controller/-/abort-controller-3.0.0.tgz#eaf54d53b62bae4138e809ca225c8439a6efb392"
-  integrity sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==
-  dependencies:
-    event-target-shim "^5.0.0"
-
-asynckit@^0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
-  integrity sha1-x57Zf380y48robyXkLzDZkdLS3k=
-
-combined-stream@^1.0.8:
-  version "1.0.8"
-  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
-  integrity sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==
-  dependencies:
-    delayed-stream "~1.0.0"
-
-delayed-stream@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
-  integrity sha1-3zrhmayt+31ECqrgsp4icrJOxhk=
-
-discord.js@^12.4.1:
-  version "12.5.3"
-  resolved "https://registry.yarnpkg.com/discord.js/-/discord.js-12.5.3.tgz#56820d473c24320871df9ea0bbc6b462f21cf85c"
-  integrity sha512-D3nkOa/pCkNyn6jLZnAiJApw2N9XrIsXUAdThf01i7yrEuqUmDGc7/CexVWwEcgbQR97XQ+mcnqJpmJ/92B4Aw==
-  dependencies:
-    "@discordjs/collection" "^0.1.6"
-    "@discordjs/form-data" "^3.0.1"
-    abort-controller "^3.0.0"
-    node-fetch "^2.6.1"
-    prism-media "^1.2.9"
-    setimmediate "^1.0.5"
-    tweetnacl "^1.0.3"
-    ws "^7.4.4"
-
-event-target-shim@^5.0.0:
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/event-target-shim/-/event-target-shim-5.0.1.tgz#5d4d3ebdf9583d63a5333ce2deb7480ab2b05789"
-  integrity sha512-i/2XbnSz/uxRCU6+NdVJgKWDTM427+MqYbkQzD321DuCQJUqOuJKIA0IM2+W2xtYHdKOmZ4dR6fExsd4SXL+WQ==
-
-mime-db@1.51.0:
-  version "1.51.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.51.0.tgz#d9ff62451859b18342d960850dc3cfb77e63fb0c"
-  integrity sha512-5y8A56jg7XVQx2mbv1lu49NR4dokRnhZYTtL+KGfaa27uq4pSTXkwQkFJl4pkRMyNFz/EtYDSkiiEHx3F7UN6g==
-
-mime-types@^2.1.12:
-  version "2.1.34"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.34.tgz#5a712f9ec1503511a945803640fafe09d3793c24"
-  integrity sha512-6cP692WwGIs9XXdOO4++N+7qjqv0rqxxVvJ3VHPh/Sc9mVZcQP+ZGhkKiTvWMQRr2tbHkJP/Yn7Y0npb3ZBs4A==
-  dependencies:
-    mime-db "1.51.0"
-
-node-fetch@^2.6.1:
-  version "2.6.7"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
-  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
-  dependencies:
-    whatwg-url "^5.0.0"
-
-prism-media@^1.2.9:
-  version "1.3.2"
-  resolved "https://registry.yarnpkg.com/prism-media/-/prism-media-1.3.2.tgz#a1f04423ec15d22f3d62b1987b6a25dc49aad13b"
-  integrity sha512-L6UsGHcT6i4wrQhFF1aPK+MNYgjRqR2tUoIqEY+CG1NqVkMjPRKzS37j9f8GiYPlD6wG9ruBj+q5Ax+bH8Ik1g==
-
-setimmediate@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
-  integrity sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=
-
-tr46@~0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
-  integrity sha1-gYT9NH2snNwYWZLzpmIuFLnZq2o=
-
-tweetnacl@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-1.0.3.tgz#ac0af71680458d8a6378d0d0d050ab1407d35596"
-  integrity sha512-6rt+RN7aOi1nGMyC4Xa5DdYiukl2UWCbcJft7YhxReBGQD7OAM8Pbxw6YMo4r2diNEA8FEmu32YOn9rhaiE5yw==
-
-webidl-conversions@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
-  integrity sha1-JFNCdeKnvGvnvIZhHMFq4KVlSHE=
-
-whatwg-url@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
-  integrity sha1-lmRU6HZUYuN2RNNib2dCzotwll0=
-  dependencies:
-    tr46 "~0.0.3"
-    webidl-conversions "^3.0.0"
-
-ws@^7.4.4:
-  version "7.5.7"
-  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.7.tgz#9e0ac77ee50af70d58326ecff7e85eb3fa375e67"
-  integrity sha512-KMvVuFzpKBuiIXW3E4u3mySRO2/mCHSyZDJQM5NQ9Q9KHWHWh0NHgfbRMLLrceUK5qAL4ytALJbpRMjixFZh8A==